10-Hydroxydecanoic Acid

10-Hydroxydecanoic Acid (10-HDA) is a medium-chain hydroxy fatty acid found in royal jelly, though it's also made synthetically. Skincare for oily or blemish-prone skin includes it to refine skin feel, support surface balance, and improve how the formula performs.
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Ingredient Snapshot

Overview
Found in royal jelly, it helps balance oily, breakout-prone skin.
Category
Acne, Oil Control, Skin Conditioning
Type
Skin Conditioning

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Can help reduce the look of excess oil and refine skin texture, which may benefit blemish‑prone areas. Evidence for breakout reduction is limited, so results can vary.

Uses In Skincare & Cosmetics

Used in mattifying lotions, targeted spot gels, and lightweight emulsions for oily skin routines. Occasionally blended into serums designed to smooth texture without a heavy feel.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Carries irritation potential, especially for sensitive or compromised skin; patch test before use. Discontinue if redness or stinging persists and avoid applying on broken skin.

Is 10-Hydroxydecanoic Acid a Good Ingredient?

Rated Fair, because it may help with oil feel and texture refinement, but clinical evidence for breakout reduction is limited and it can irritate, particularly at higher concentrations. Results vary, so it’s better suited as a supporting component rather than a sole active.